diff --git a/dune/matrix-vector/traits/utilities.hh b/dune/matrix-vector/traits/utilities.hh index 1ae672ecb54a41cf2cf5bc8a4e6951bde2734073..07b90d46e7305786c05d3a382a8d1b295463e25b 100644 --- a/dune/matrix-vector/traits/utilities.hh +++ b/dune/matrix-vector/traits/utilities.hh @@ -92,7 +92,8 @@ namespace MatrixVector { template <class T> constexpr auto isQuadratic() { - return Std::bool_constant<Traits::IsQuadratic<std::decay_t<T>>::dimension>(); + return std::integral_constant< + int, Traits::IsQuadratic<std::decay_t<T>>::dimension>(); } } // end namespace MatrixVector